Dr. Noy's makes some terrific tiny squeeky toys - here's a link with pics, but you can get them cheaper at PetSmart or PetCo:
Dr. Noys Really Tiny Toys! : Small Dog Mall, The place to shop for little dogs. Small dog clothing, collars, accessories, toys, grooming, shirts, clothing They are under $4.00 AND you can replace the squeeker.
If those don't suit your fancy, I make teeny tiny squeeky fleece bone and heart shaped toys.